package com.example.cf.grouplist.view;

/**
 * Created by cf on 2016/9/23.
 */

public class Test {
    public static void main(String [] args){
        print();
    }

    private static void print() {
        if (System.out.printf("a")==null){
            System.out.print("a");
        }else {
            System.out.print("b");
        }
    }
}
